DIY 12V Battery Charger with 220V AC ⚡

Learn to build a simple 12V battery charger using a transformer for effective DIY power charging.

DIY 12V Battery Charger with 220V AC ⚡
MW Electronics Lab
2.4M views • Jul 29, 2025
DIY 12V Battery Charger with 220V AC ⚡

About this video

🔋 DIY 12V Battery Charger Using Transformer | Simple and Effective 🔧

In this video, I’ll show you how to make a simple 12V battery charger using a step-down transformer, diodes, capacitor, and basic components. This is perfect for charging small 12V lead-acid batteries used in UPS, alarms, and small DIY power projects.

✅ Components Used:

220V to 12V Transformer

1N5408 Diodes (2x)

1000uF/16V Capacitor

LED + Resistor

12V Lead Acid Battery (7Ah)

AC Plug

⚡ Circuit Type:
This is an unregulated linear power supply using a transformer and half-wave rectification for battery charging.

⚠️ Note:
Always handle AC voltages carefully. This circuit is for educational purposes. For safe and efficient charging, consider adding a voltage regulator or auto cutoff.

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#DIYCharger #12VBatteryCharger #ElectronicsProject #TransformerCharger #BatteryChargingCircuit #HomemadeCharger #Arduino #ElectronicsShorts #MW_Electronics_Lab

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Video Information

Views

2.4M

Likes

7.4K

Duration

0:05

Published

Jul 29, 2025

User Reviews

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